When comes to unique key in database table we have to use auto generated key. But in some cases we need to use custom generated key. The places like in url or any other external facing application. One of the best way to generate unique key is with UUID.
This is the best way user can generate unique key. And Django also support this. All you have to do is import uuid and create UUIDField in models.py
import uuid from django.db import models class MyUUIDModel(models.Model): id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) # other fields
After this you can forget about create unique key because Django automatically take care of it.
Just save the object and then the id will be uuid.
uuid_obj = MyUUIDModel.objects.create()